<template>
  <div class="update-photo">
    <img class="img" :src="img" ref="img" />

    <div class="toolbar">
      <div class="cancel" @click="$emit('close')">
        取消
      </div>
      <div class="confirm" @click="onConfirm">
        完成
      </div>
    </div>
  </div>
</template>

<script>
import 'cropperjs/dist/cropper.css'
import Cropper from 'cropperjs'
import { updateUserPhoto } from '@/api/user'
export default {
  name: 'UpdatePhoto',
  props: {
    img: {
      type: [String, Object],
      required: true
    }
  },
  data() {
    return {
      cropper: null
    }
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {
    const image = this.$refs.img
    this.cropper = new Cropper(image, {
      viewMode: 1,
      dragMode: 'move',
      aspectRatio: 1,
      cropBoxMovable: false,
      cropBoxResizable: false,
      background: false
    })
  },
  methods: {
    onConfirm() {
      this.cropper.getCroppedCanvas().toBlob(blob => {
        this.updateUserPhoto(blob)
      })
    },
    async updateUserPhoto(blob) {
      this.$toast.loading({
        message: '保存中...',
        forbidClick: true, // 禁止背景点击
        duration: 0 // 持续展示
      })

      // 如果接口要求 Content-Type 是 multipart/form-data
      // 则你必须传递 FormData 对象
      const formData = new FormData()
      formData.append('photo', blob)
      const { data } = await updateUserPhoto(formData)
      console.log('DAta:', data)

      this.$emit('close')

      // 更新视图
      console.log('url:', data.data.photo)
      this.$emit('update-photo', data.data.photo)

      this.$toast.success('更新成功')
    }
  }
}
</script>

<style lang="less" scoped>
.update-photo {
  background-color: #000;
  height: 100%;
  .img {
    display: block;
    max-width: 100%;
  }
  .toolbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: space-between;
    .cancel,
    .confirm {
      width: 90px;
      height: 90px;
      font-size: 30px;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #fff;
    }
  }
}
</style>
